CN110012525A - Reduce the beacon signal processing unit and filtering method of wakeup frequency - Google Patents
Reduce the beacon signal processing unit and filtering method of wakeup frequency Download PDFInfo
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- CN110012525A CN110012525A CN201810783132.4A CN201810783132A CN110012525A CN 110012525 A CN110012525 A CN 110012525A CN 201810783132 A CN201810783132 A CN 201810783132A CN 110012525 A CN110012525 A CN 110012525A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0264—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by selectively disabling software applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present embodiment provides a kind of beacon signal processing units and filtering method for reducing wakeup frequency, beacon signal (BCN:Beacon Signal) is periodically received from access point (Access Point), and suspend mode (Sleep Mode) is maintained according to the data transfer types in the traffic indication information (Traffic Indication Message) for including in beacon signal, or only wake up a part of module necessary to communication in hardware (HW), software (SW) and handled.
Description
Technical field
The present embodiment is related to a kind of beacon signal processing unit and filtering method for reducing wakeup frequency.
Background technique
The content described below is only to provide background information related with the present embodiment, is not the prior art.
In general, in the power management (Power of 802.11WLAN (Wireless Local Area Network)
Management when) module does not have the data to be received and dispatched under work (Awake) mode state, in order to reduce consumption electric power, into
Enter suspend mode (Sleep Mode) state.
Under suspend mode state, the information in the beacon frame (Beacon Frame) transmitted with both fixed cycles is detected, i.e.,
Traffic indication information (Traffic Indication Message) or transmission instruction information (Delivery TIM), with confirmation
With the presence or absence of wanting received data.
Testing result is converted to operational mode state in the presence of when wanting received data, transmits PS-Poll and simultaneously receives data.
And testing result without received data when, maintain suspend mode state.
In general, in order to reduce consumption electric power, and electrical source consumption is minimized, power management module is in 802.11WLAN
When attempt suspend mode.
In general, in order to which (Doze) state of sleeping from suspend mode enters operational mode state, in the electricity of 802.11WLAN
The electrical source consumption in each stage of source control module uses a primary application program.
In the power management module of common 802.11WLAN, need to be mounted in the institute serviced in a primary application program
It is functional.It in detail, must in addition to required for the inspection of traffic indication information/transmission instruction information in a primary application program
It needs except code and data, is also attached with code and data in relation to servicing.
Also need to execute the initialization of above-mentioned Additional Services, and increase unnecessary initialization time, also, with service
Linkage hardware module also becomes energized state, and unnecessary power consumption occurs.
Summary of the invention
Technical problems to be solved by the inivention
The purpose of the present embodiment is to provide a kind of beacon signal processing unit and filtering method for reducing wakeup frequency,
Beacon signal (BCN:Beacon Signal) is periodically received from access point (Access Point), and according to beacon signal
In include traffic indication information (Traffic Indication Message) in data transfer types maintain suspend mode
(Sleep Mode), or only wake up hardware (HW), software (SW) communication necessary to a part of module.
The technical solution solved the problems, such as
According to an aspect of the present embodiment, a kind of beacon signal processing unit is provided, comprising: beacon reception unit, from access
Point (Access Point) periodically receives beacon signal (BCN:Beacon Signal)；Element confirmation portion, confirms the letter
The information element (IE:Information Element) for the data for including in mark signal (BCN)；Transmission type confirmation portion, institute
The traffic indication information (Traffic Indication Message) for including in information element (IE) is stated, confirms the flow
Indicate the data transfer types in information；Filter house, transmission type confirms in the beacon signal (BCN) based on the data
Whether the data for including are necessary necessary data；And mode work department, according to whether being the necessary data, with suspend mode mould
Formula (Sleep Mode) or operating mode (Active Mode) operating.
Another aspect of the present embodiment provides a kind of filtering method for reducing wakeup frequency, comprising: from access point
(Access Point) periodically receives the process of beacon signal (BCN:Beacon Signal)；Confirm the beacon signal
(BCN) process of the information element (IE:Information Element) for the data for including in；Confirm the information element
(IE) traffic indication information (Traffic Indication Message) for including in, and confirm in the traffic indication information
Data transfer types process；Transmission type based on the data confirms the data for including in the beacon signal (BCN)
Whether be necessary necessary data process；And whether according to the necessary data, with suspend mode (Sleep Mode) or work
The process of operation mode (Active Mode) operation.
The effect of invention
As described above, it is had the effect that according to the present embodiment from access point and periodically receives beacon signal
(BCN), and according to the data transfer types in the traffic indication information for including in beacon signal, suspend mode is maintained, or is only called out
A part of module necessary to the communication waken up to hardware (HW), software (SW).
According to the present embodiment, the electrical source consumption of STA can be reduced, reduces software (SW) load of data to be processed.
Detailed description of the invention
Fig. 1 is the block diagram that the filtration system of the reduction wakeup frequency according to the present embodiment is outlined；
Fig. 2 a, 2b are to be outlined that block diagram is outlined according to the beacon reception program of the present embodiment；
Fig. 3 is attached drawing whether wake-up illustrated according to the beacon signal period periodically transmitted；
Fig. 4 a, 4b are the precedence diagram for illustrating the filtering method of the reduction wakeup frequency according to the present embodiment；
Fig. 5 is the attached drawing illustrated using the method for handling beacon signal according to the required information element of the present embodiment.
Specific embodiment
Hereinafter, the present embodiment is explained in detail with reference to the accompanying drawings.
Fig. 1 is that block diagram is outlined according to the filtration system of the reduction wakeup frequency of the present embodiment.
Filtration system according to the reduction wakeup frequency of the present embodiment include: access point 110, STA120- 1,120-2,
120-N.It reduces the constituent element for including in the filtration system of wakeup frequency and is not limited to this.
Access point (Access Point) 110 periodically to multiple STA120-1,120-2 of coverage area memory,
120-N transmission is included as maintaining the beacon signal (BCN:Beacon Signal) of the data of networking.
Preferably, access point 110 receives power supply from other power supply device and drives, but is not limited to this, can also be with
The form for forming battery embodies.
The transmission of access point 110 is included as maintaining the beacon signal of the data of networking, refers to and passes by beacon signal (BCN)
It send to before STA120-1,120-2,120-N, the data transmission to be transmitted to traffic indication information in beacon signal (BCN)
Type.
Traffic indication information is data transfer types, the letter including indicating broadcast (BC), multicast (MC), unicast (UC) etc.
Breath.
WLAN (Wireless Local Area Network) network technology is together with the access of broadband network
It is being widely deployed across family.Wireless lan network technology is usually Wi-Fi (Wireless Fidelity).
(equipment is commonly referred to as the letter of ' terminal (Station) ' to the WLAN devices connecting with WLAN WLAN
Claim ' STA ') generally driven with ' suspend mode (the Sleep Mode) ' that reduces electrical source consumption.
In general, in WLAN STA120-1,120-2,120-N from access point receive beacon signal (BCN)
Afterwards, it needs to wake up (WAKE-UP) to handle beacon signal (BCN).According to STA120-1,120-2,120-N of the present embodiment
Only there are wake-up (WAKE-UP) is executed when required data after receiving beacon signal (BCN).STA120-1,120-2,
120-N judge in being worked with suspend mode the data for including from 110 received beacon signal (BCN) of access point whether be
It is required, and selectively wake up.
STA120-1,120-2,120-N periodically receive to save the power supply of the battery of purchase from access point 110
Beacon signal, with ' suspend mode ' work.STA120-1,120-2,120-N are usually used when with ' suspend mode ' work
Only close for calculation and control microprocessor ' suspend mode ', but, according to the STA120-1,120-2 of the present embodiment,
120-N all closes hardware (HW) needed for access point 110 and communication, software (SW) when with ' suspend mode ' work.
With STA120-1,120-2,120-N of ' suspend mode ' work in order to be communicated with access point 110, need to convert
For wake-up (Wake-UP) state.STA120-1,120-2,120-N are converted to wake-up states from suspend mode, execute access point
110 and frame mode, or receive or the movement such as scan channel.
STA120-1,120-2,120-N, in order to save power supply, are converted to suspend mode in the state of not with access point communication
Mode, to reduce electrical source consumption.STA120-1,120-2,120-N receive beacon signal (BCN) from access point 110 and update net afterwards
Network information, successfully to be communicated with access point 110.
The beacon signal (BCN) transmitted from access point 110 is transmitted periodically, but is not changed often.Beacon signal
It (BCN) can also be information element (IE:Information Element) needed for non-beacon system even if being changed.Generally
Beacon system be will more New Network Information whenever receiving beacon signal (BCN).
STA120-1,120-2,120-N refer to the electronic equipment communicated with access point 110. STA120-1,120-
2,120-N has the memory of program or agreement that storage is communicated with access point 110 etc., execution corresponding program calculates
And microprocessor of control etc..
STA120-1,120-2,120-N can be smart phone (Smart Phone), tablet computer (Tablet), notes
This computer (Laptop), PC (PC:Personal Computer), personal digital assistant (PDA) (PDA:Personal
Digital Assistant), game machine, portable media player (PMP:Portable Multimedia
Player), the electricity such as radio communication terminal (Wireless Communication Terminal), TV, media player
Sub- equipment.
STA120-1,120-2,120-N are that have (I) and various equipment or the communication solution for having wireless network to be communicated
The communication devices such as device are adjusted, (II) is used to store the memory of various programs and data, and (III) executes what program was calculated and controlled
The various devices of microprocessor etc..According to an at least embodiment, memory can be random access memory (Random Access
Memory:RAM), read-only memory (Read Only Memory:ROM), flash memory, CD, disk, solid state hard disk (Solid
State Disk:SSD) etc. computer-readable record/storaging medium.According to an at least embodiment, microprocessor can be edited
Program is selectively to execute the more than one movement and function recorded in the description.According to an at least embodiment, micro- place
Manage specific integrated circuit (the Application Specific Integrated of device by property in whole or in part specific structure
The hardware-embodieds such as Circuit:ASIC).
In memory storage associated data and program, processor reads associated data from memory and is handled.One processing
Above-mentioned each function can be performed in device, but, it also may make multiple processors to carry out sharing processing.General place can be used in processor
Device is managed, but, it is possible to use the separately fabricated chip for its function of execution.
STA120-1,120-2,120-N store up beacon reception program 130-1,130- 2,130-N in memory.
STA120-1,120-2,120-N are periodical from access point 110 using the beacon reception program 130-1,130- 2,130-N carried
Ground receives beacon signal (BCN), and beacon signal (BCN) based on the received, determines whether to convert extremely from ' suspend mode '
' wake-up ' state.
STA120-1,120-2,120-N are using beacon reception program 130-1,130-2, the 130- N carried, and confirmation is from connecing
The data transfer types that access point 110 periodically includes in received beacon signal (BCN).STA120-1,120-2,120-N
Using beacon reception program 130-1,130-2, the 130- N of carrying, according to the data transmission class for including in beacon signal (BCN)
Type, from ' suspend mode ' conversion to ' wake-up ' state.
STA120-1,120-2,120-N periodically receive beacon signal (BCN) from access point 110. STA120-1,
120-2,120-N confirm packet in beacon signal (BCN) using the beacon reception program 130-1,130-2,130-N of carrying
With the presence or absence of the necessary data that must be handled in the data contained, and confirm the information element for including in beacon signal (BCN)
(IE)。
STA120-1,120-2,120-N utilize the beacon reception program 130-1,130-2,130- N confirmation message carried
Traffic indication information in element (IE).
STA120-1,120-2,120-N judge flow using the beacon reception program 130-1,130-2,130- N carried
Indicating to exist in the data transfer types of information broadcast, (BC/ multicast (MC) or when unicast (UC), operation makes its wake-up.
After STA120-1,120-2,120-N are waken up using beacon reception program 130-1,130-2, the 130- N carried,
Data are received from access point 110.STA120-1,120-2,120-N utilize the beacon reception program 130-1,130-2 carried,
130-N judge the data for including from 110 received beacon signal (BCN) of access point whether be it is required, if nonessential
Data are then discarded, and with ' suspend mode ' operating.
STA120-1,120-2,120-N and non-acknowledgement whether there is the number to maintain network in beacon signal (BCN)
According to, but confirm for the valid data in the information element (IE) of beacon signal (BCN).Valid data report includes to maintain net
The data of network, necessary data necessary for user.
STA120-1,120-2,120-N reaffirm significant figure using beacon reception program 130-1,130-2,130-N
According to whether being necessary data or unnecessary data.STA120-1,120-2,120-N utilize beacon reception program 130-1,
When 130-2,130-N judge valid data for necessary data, necessary to being communicated in hardware (HW), software (SW)
Part or all of module carries out wake-up processing.
STA120-1,120-2,120-N judge beacon signal using beacon reception program 130-1,130-2,130N
(BCN) when data transfer types are broadcast (BC), multicast (MC), unicast (UC), valid data are confirmed as.
STA120-1,120-2,120-N judge beacon signal using beacon reception program 130-1,130-2,130-N
(BCN) when data transfer types are unicast (UC), it is confirmed whether it is IP data or other data (Other Data).
STA120-1,120-2,120-N utilize the beacon reception program 130-1,130-2,130- N of carrying from access point
110 periodically receive beacon signal (BCN).STA120-1,120-2,120-N utilize the beacon reception program 130- carried
The information element (IE) for the data for including in 1,130-2,130-N confirmation beacon signal (BCN).
STA120-1,120-2,120-N utilize the beacon reception program 130-1,130-2,130- N confirmation message carried
The data transfer types for the traffic indication information for including in element (IE).STA120-1,120-2,120-N utilize the letter carried
Tag splice receives whether the data transfer types in program 130-1,130-2,130-N confirmation traffic indication information are broadcast (BC)/more
Broadcast (MC).
Confirmation as a result, the data transfer types for including in traffic indication information be broadcast (BC)/multicast (MC) when,
STA120-1,120-2,120-N judge beacon signal (BCN) using the beacon reception program 130-1,130-2,130- N carried
The interior data that there is broadcast (BC)/multicast (MC) form wait after being waken up from 110 data receiver of access point.
STA120-1,120-2,120-N confirm flow using the beacon reception program 130-1,130-2,130- N carried
Indicate whether the data transfer types in information are unicast (UC).Confirmation is as a result, the data for including in traffic indication information pass
Send type be unicast (UC) when, STA120-1,120-2,120- N using carry beacon reception program 130-1,130-2,
130-N confirms the connection status (Association ID, AID) in traffic indication information.
STA120-1,120-2,120-N are judged as phase using the beacon reception program 130-1,130-2,130- N of carrying
When answering the AID of STA, data are received in the form of unicast (UC) from access point 110.
STA120-1,120-2,120-N utilize the beacon reception program 130-1,130-2,130- N of carrying to corresponding STA
Received unicast (UC) form of media access control address (MAC ADDRESS) data in, not in addition distinguish broadcast (BC)
IP, multicast (MC) IP or unicast (UC) IP data.That is, also including unnecessary number in broadcast (BC)/multicast (MC) IP data
According to.
When data transfer types are broadcast (BC)/multicast (MC), a label (Flag) having the same.Data transmission
Type is when broadcasting beacon signal (BCN) of (BC)/multicast (MC), is largely comprising more unnecessary data.
It is the beacon signal for broadcasting (BC)/multicast (MC) that STA120-1,120-2,120-N, which receive data transfer types,
(BCN) it when, is waken up and receives data corresponding with respective beacon signal (BCN).
STA120-1,120-2,120-N confirm whether received data are necessary data, and confirmation result is unnecessary
Data when, run with suspend mode.When confirming that result is necessary necessary data, run with operating mode.
When STA120-1,120-2,120-N judge the data transfer types of beacon signal (BCN) for unicast (UC) data,
It is confirmed whether it is other data of IP data or non-IP data.
For example, if the data transfer types of beacon signal (BCN) be other data, respective beacon signal (BCN) for
STA120-1,120-2,120-N include more unnecessary data.That is, other datagrams include it is more for STA120-
1, after 120-2,120-N are received, the data of response (Ack) need to be only transmitted without other work.For example, other are counted
It includes according to report for confirming the data in the presence or absence of the STA of access point 110.
Access point 110 is periodically included as confirming depositing for STA120-1,120-2,120-N in beacon signal (BCN)
Whether data and transmit, from STA120-1,120-2,120-N receive respective beacon signal (BCN) only need response afterwards
(Ack), the information of corresponding STA120-1,120-2,120-N can be maintained in access point 110.If access point 110 from
When STA120-1,120-2,120-N unresponsive (Ack), no STA is judged according to set condition, and delete STA information.
The network of STA is broken.
If the data transfer types of beacon signal (BCN) are other data, STA120-1,120-2,120-N are only carried out
Response (Ack), and run with suspend mode.That is, STA120-1,120-2,120-N are in response (Ack) afterwards directly with suspend mode mould
When formula is run, complete software (Full Software) or complete hardware (Full Hardware), therefore, Neng Gouwei can not be run
Hold low electric power.
For example, if the data transfer types of beacon signal (BCN) be IP data, respective beacon signal (BCN) include compared with
More data necessary for STA120-1,120-2,120-N.That is, comprising in more STA120-1,120-2,120-N
Data needed for application program.Even if the data transfer types of beacon signal (BCN) be IP data, STA120-1,120-2,
120-N is then run if it is determined that unnecessary data in application program with suspend mode.
STA120-1,120-2,120-N judge according to information element (IE) from the received beacon signal of access point 110
(BCN) be necessary data or unnecessary data, and according to judging result with wake up or suspend mode run.
Fig. 2 a, 2b are the block diagram that the beacon reception program according to the present embodiment is outlined.
Beacon reception program 130-1,130-2,130-N according to the present embodiment includes: that beacon reception unit 210, element are true
Recognize portion 220, transmission type confirmation portion 230, filter house 240, mode work department 250 and information exterior portion 260.Beacon reception program
The constituent element for including in 130-1,130-2,130-N is not limited to this.
Beacon reception program 130-1,130-2,130-N further include not only that hardware module embodies with software module, in addition
It is the filter device embodiment for reducing wakeup frequency.
The each constituent element for including in beacon reception program 130-1,130-2,130-N with it is soft inside attachment device
The communication path of part module or hardware module, between each other connection operation.Above-mentioned constituent element utilizes more than one
Communication bus or signal wire are communicated.
Each constituent element of the beacon reception program 130-1,130-2,130-N that indicate in Fig. 2 refer to processing at least
One function or the unit of movement can embody for the combination of the module of software, the module of hardware or software and hardware.
Beacon reception unit 210 periodically receives beacon signal (BCN) from access point 110.Element confirmation portion 220 confirms
The information element (IE) for the data for including in beacon signal (BCN).
Transmission type confirmation portion 230 handles the traffic indication information in beacon signal (BCN).Transmission type confirmation portion 230
Confirm the data transfer types of the traffic indication information label in beacon signal (BCN).Transmission type confirmation portion 230 confirms
The traffic indication information for including in information element (IE), and confirm the data transfer types in traffic indication information.
Filter house 240 based on data transfer types, confirmation beacon signal (BCN) in include data whether be must
The necessary data wanted.
When data transfer types are corresponding to set specific data transmission type, filter house 240 is judged as valid data.
Filter house 240 confirms the validity whether data are necessary data.
Filter house 240 confirms the label (Flag) of data transfer types, and is confirmed whether it is broadcast (BC)/multicast (MC)
Label or unicast (UC) label.Confirmation if it is broadcast (BC)/multicast (MC) label or unicast (UC) as a result, mark, filter house
240 are judged as valid data corresponding with set specific data transmission type.
If data transfer types have broadcast (BC)/multicast (MC) label, filter house 240 utilizes MAC broadcast filtering device
242 confirmations have whether the data of broadcast (BC)/multicast (MC) label are unnecessary data.
If data transfer types have broadcast (BC)/multicast (MC) label, filter house 240 utilizes MAC multicast filter device
243 confirmations have whether the data of broadcast (BC)/multicast (MC) label are unnecessary data.
If data transfer types are marked with unicast (UC), filter house 240 utilizes the confirmation tool of MAC unicast filter 244
Whether the data for having unicast (UC) to mark are unnecessary data.
If the data with unicast (UC) label do not pass through the filtering of MAC unicast filter, the confirmation of filter house 240 has
The data of unicast (UC) label are necessary data, and are confirmed whether it is broadcast (BC)/multicast (MC) IP label or other marks
Note.Confirmation will be as a result, will have unicast if it is non-broadcasting (BC)/multicast (MC) IP label or other labels, filter house 240
(UC) data marked are judged as valid data.
If the data with unicast (UC) label have broadcast (BC)/multicast (MC) IP label, filter house 240 is utilized
Broadcasting the confirmation of IP filter 245 has whether the data of broadcast (BC)/multicast (MC) IP label are unnecessary data.
If the data with unicast (UC) label have broadcast (BC)/multicast (MC) IP label, filter house 240 is utilized
The confirmation of multicast IP filter 246 has whether the data of broadcast (BC)/multicast (MC) IP label are unnecessary data.
Filter house 240 has whether the data of unicast (UC) label are unnecessary using the confirmation of other IP filters 247
Data.
Filter house 240 includes: MAC broadcast filtering device (MAC BC Filter) 242, MAC multicast filter device (MAC MC
Filter) 243, MAC unicast filter (MAC UC Filter) 244 broadcasts IP filter (BC IP Filter) 245, more
IP filter (MC IP Filter) 246 is broadcast, other IP filters (OTHER IP Filter) 247.
Filter house 240 enables to each filter for being included, MAC broadcast filtering device 242, MAC multicast filter device
243, MAC unicast filters 244 broadcast IP filter 245, multicast IP filter 246, the filtering in other IP filters 247
Element comes into force (Enable), disables (Disable).
Filtering constituent element in filter determines (Optional) may be selected.That is, can development procedure determine or with
It is determined in system operation by manager afterwards.For example, the filtering constituent element of multicast (MC) data can be MAC Address.Each filtering
Device is the mode for registering necessary data.
MAC broadcast filtering device 242, MAC multicast filter device 243, MAC unicast filter 244, broadcast IP filter 245,
Multicast IP filter 246, other IP filters 247 also maintain the storage region storing data of information after hibernate.
MAC broadcast filtering device 242 refers to whether the data of confirmation input are necessary MAC broadcast data, and filtering need not
The data filter for the MAC broadcast data wanted.MAC broadcast filtering device 242 filters unnecessary MAC broadcast (BC) data.
MAC multicast filter device 243 refers to whether the data of confirmation input are necessary MAC multi-case data, and filtering need not
The filter for the MAC multicast wanted.MAC multicast filter device 243 filters unnecessary MAC multicast (MC) data.
MAC unicast filter 244 refers to whether the data of confirmation input are necessary MAC unicast data, and filtering need not
The data filter for the MAC unicast data wanted.MAC unicast filter 244 filters unnecessary MAC unicast (UC) data.
MAC unicast filter 244 filters unnecessary unicast (UC) data of MAC, reduces system wake-up WAKE-UP frequency
Rate.
Broadcast IP filter 245 refer to whether the data of confirmation input are necessary broadcast IP data, and filter it is unnecessary
Broadcast IP data data filter.Broadcast IP filter 245 filters unnecessary broadcast (BC) IP data.
Multicast IP filter 246 refers to whether the data of confirmation input are necessary multicast IP data, and filter it is unnecessary
Multicast IP data data filter.Multicast IP filter 246 filters unnecessary multicast (MC) IP data.
IP data unnecessary in unicast (UC) are filtered by broadcast IP filter 245 and multicast IP filter 246,
Reduce system wake-up frequency.
Other IP filters 247 refer to the data filter being filtered for other IP.The filtering of other IP filters 247
Other IP.
Whether mode work department 250 is according to necessary data, with suspend mode (Sleep Mode) or operating mode
(Active Mode) operation.
If having the data of broadcast (BC)/multicast (MC) label to be filtered by MAC broadcast filtering device, mode work
Portion 250 is with closing (Off) in order to be communicated with access point 110 and necessary hardware (HW), a part of software (SW) or complete
The suspend mode operation of portion's work.
If there are the data of broadcast (BC)/multicast (MC) label not pass through MAC broadcast filtering device to be filtered, mode
Work department 250 is with unlatching (On) in order to be communicated and a part of necessary hardware (HW), software (SW) with access point 110
Or the operating mode operation all to work.
If having the data of broadcast (BC)/multicast (MC) label to be filtered by MAC multicast filter device, mode work
Portion 250 is with closing (Off) in order to be communicated with access point 110 and necessary hardware (HW), a part of software (SW) or complete
The suspend mode operation of portion's work.
If there are the data of broadcast (BC)/multicast (MC) label not pass through MAC multicast filter device to be filtered, mode work
Make portion 250 with unlatching (On) to be communicated with access point 110 and necessary hardware (HW), software (SW) a part or complete
The operating mode operation of portion's work.
If the data with unicast (UC) label are filtered by MAC multicast filter device, mode work department 250 is to close
Close (Off) in order to communicated with access point 110 and necessary hardware (HW), software (SW) part or all work
Suspend mode operation.
If having the data of broadcast (BC)/multicast (MC) IP label to be filtered by broadcasting IP filter, mode work
Portion 250 is with closing (Off) in order to be communicated with access point 110 and necessary hardware (HW), a part of software (SW) or complete
The suspend mode operation of portion's work.
If having the data of broadcast (BC)/multicast (MC) IP label not pass through broadcast IP filter filtering, mode work
Portion 250 is with unlatching (On) in order to be communicated with access point 110 and necessary hardware (HW), a part of software (SW) or complete
The operating mode operation of portion's work.
If there are the data of broadcast (BC)/multicast (MC) IP label to be multicast IP filter to be filtered, mode work
Portion 250 is with closing (Off) in order to be communicated with access point 110 and necessary hardware (HW), a part of software (SW) or complete
The suspend mode operation of portion's work.
If having the data of broadcast (BC)/multicast (MC) IP label not pass through the filtering of multicast IP filter, mode work
Make portion 250 with unlatching (On) in order to communicated with access point 110 and necessary hardware (HW), software (SW) a part or
The operating mode operation all to work.
If the data with unicast (UC) label are filtered by other IP filters, mode work department 250 is to close
(Off) in order to communicated with access point 110 and necessary hardware (HW), software (SW) part or all work stop
Sleep mode operation.
If the data with unicast (UC) label do not pass through the filtering of other IP filters, mode work department 250 is to open
(On) is opened in order to be communicated with access point 110 and the work of part or all of work of necessary hardware (HW), software (SW)
Operation mode operation.
Information exterior portion 260 stores MAC multicast filter table 262 and multicast IP filter table 264.MAC multicast filter table 262 is deposited
Energy storage enough judge system whether be necessary MAC multi-case data table.The storage of multicast IP filter table 264 can judge that system is
The no table for necessary multicast IP data.
Fig. 3 is attached drawing whether wake-up illustrated according to the beacon signal period periodically transmitted.
STA120-1,120-2,120-N are using the beacon reception program 130-1,130-2,130- N confirmation of carrying from connecing
Access point 110 is with the traffic indication information of set period received beacon signal (BCN).
STA120-1,120-2,120-N are believed using the beacon reception program 130-1,130-2,130- N carried in beacon
When the data transfer types indicated in the traffic indication information of number (BCN) is broadcast (BC)/multicast (MC) or unicast UC, wake up
(WAKE-UP) it and data is received is handled.
If STA120-1,120-2,120-N are from the data transfer types of 110 received beacon signal (BCN) of access point
It for unicast (UC), needs to transmit to the MAC Address (MAC ADDRESS) of corresponding STA, therefore, in addition not distinguishing need to be
Broadcast IP data, multicast IP data or the unicast IP data that STA120-1,120-2,120-N are handled.
STA120-1,120-2,120-N not by the type of data to be processed with broadcast IP data, multicast IP data or
Unicast IP data distinguish, and are because waking up to handle unnecessary broadcast (BC)/multicast (MC) data.
STA120-1,120-2,120-N are included to handle from 110 received beacon signal (BCN) of access point
Data transfer types be unicast (UC) in unnecessary broadcast IP, multicast IP data and wake up.
Beacon reception program 130-1,130-2,130-N not wake up often, and as shown in figure 3, with set wake-up week
Phase only wakes up if necessary.
STA120-1,120-2,120-N periodically receive beacon signal (BCN) from access point 110, and according to reception
Beacon signal (BCN) judge whether to convert from ' suspend mode ' to ' wake-up ' state.
STA120-1,120-2,120-N confirm
Data transfer types.STA120-1,120-2,120-N according to the data transfer types for including in beacon signal (BCN) from
' suspend mode ' is converted to ' wake-up ' state.
STA120-1,120-2,120-N are according to the courses of work of the data transfer types for including in beacon signal (BCN)
It is as follows.
STA120-1,120-2,120-N are in order to according to the data transfer types processing number for including in beacon signal (BCN)
According to using beacon reception program 130-1,130-2, the 130-N carried in STA120-1,120-2,120-N, by STA120-
1, the hardware in 120-2,120-N (HW), in software (SW) for communicating required a part or whole hardware (HW), software
(SW) after conversion to wake-up states, the data for including in beacon signal (BCN) are handled.
STA120-1,120-2,120-N are analyzed and are explained in the data for including in beacon signal (BCN) to beacon communication
Necessary required information, and reacted in beacon communication treatment process.
STA120-1,120-2,120-N confirm the information word for including from 110 received beacon signal (BCN) of access point
Plain (IE).
The traffic indication information of STA120-1,120-2,120-N confirmation message element (IE), and according to data transmission class
When type is selectively corresponding to wake-up condition operating mode, corresponding hardware (HW), software (SW) are waken up.
Beacon signal (BCN) is periodically sent to STA120-1,120-2,120- positioned at periphery by access point 110
N。
If the data for including from the beacon signal (BCN) that access point 110 periodically transmits continually change,
STA120-1,120-2,120-N need to handle the data continually changed for including in beacon signal (BCN), therefore, hair
The load of raw additivity.
Even if the data that common STA includes from 110 received beacon signal (BCN) of access point not and access point
110 are communicated and required data, if it is confirmed that the data for including in beacon signal (BCN) have altered, even if being unnecessary
Information element (IE), also convert to wake-up states and run.
But the beacon reception program 130-1 carried is utilized according to STA120-1,120-2,120-N of the present embodiment,
130-2,130-N is confirmed whether it is unnecessary information element according to the data transfer types for including in beacon signal (BCN)
(IE), it and with suspend mode runs.
As shown in figure 3, access point 110 will be sent to STA120-1,120- 2 of suspend mode operation, 120-N
Data buffering is sent with beacon signal.Access point 110 is in order to STA120-1,120-2, the 120-N run with suspend mode
The frame of buffering is transmitted, periodically sends beacon signal (BCN).
It indicates that the information of the frame buffered is included in traffic indication information Traffic Indication Message, leads to
Cross STA120-1,120-2,120-N transmission of the beacon frame into coverage area.TIM refers in the 802.11 of Wireless LAN standard,
The information field of beacon frame (Beacon Frame) transmission is utilized in access point 110.
Access point 110 sends beacon signal (BCN) to STA120-1,120-2, the 120-N for being located at periphery again.
STA120-1,120-2,120-N are using the data transfer types for including from 110 received beacon signal (BCN) of access point as base
Plinth is with ' suspend mode ' operation.
When the set period arrives, access point 110 sends letter to STA120-1,120-2, the 120-N for being located at periphery again
It marks signal (BCN).STA120-1,120-2,120-N are according to the number for including from 110 received beacon signal (BCN) of access point
' suspend mode ' is maintained according to transmission type.
It is periodically converted from ' suspend mode ' to ' wake-up ' with STA120-1,120-2,120-N of suspend mode operation
State receives beacon signal from access point 110.STA120-1,120-2,120-N analyze beacon signal and confirming will receive extensively
Broadcast/period of multi-case data.
Delivering traffic indication information (the Delivery Traffic of STA120-1,120-2,120-N confirmation beacon signal
Indication Message, DTIM).DTIM refers to the parameter comprising transmission in TIM.Access point 110, which is specified in DTIM, to be wrapped
When the parameter contained, STA120-1,120-2,120-N abide by the parameter for including in transmission instruction information.
Fig. 4 a, 4b are the precedence diagram for illustrating the filtering method of the reduction wakeup frequency according to the present embodiment.
STA120-1,120-2,120-N utilize the beacon reception program 130-1,130-2,130- N of carrying from access point
110 periodically receive beacon signal (BCN) (S410).
STA120-1,120-2,120-N confirm beacon using the beacon reception program 130-1,130-2,130- N carried
The information element (IE) for the data for including in signal (BCN).STA120-1,120-2,120-N utilize the beacon reception journey carried
The traffic indication information for including in sequence 130-1,130-2,130-N confirmation message element (IE), and judge whether to confirm that flow refers to
Show the data transfer types (S412) in information.
The confirmation of S412 is as a result, if be confirmed the data transfer types in traffic indication information, STA120-1,120-
2,120-N is using the beacon reception program 130-1,130-2,130-N carried with suspend mode (Sleep Mode) operation
(S422)。
In step S422, STA120-1,120-2,120-N utilize the beacon reception program 130- 1,130-2 carried,
When the data transfer types in traffic indication information are confirmed in 130-N, so that necessary in order to be communicated with access point
Part or all of suspend mode for closing (Off) work of hardware (HW), software (SW) is run.
The confirmation of S412 as a result, if it is confirmed that data transfer types in traffic indication information, STA120-1,120-2,
120-N receives the data transfer types in traffic indication information using the beacon reception program 130-1,130-2,130-N carried
(S414)。
STA120-1,120-2,120-N confirm data using the beacon reception program 130-1,130-2,130- N carried
The label (Flag) of transmission type, and it is confirmed whether it is broadcast (BC)/multicast (MC) label or unicast (UC) label.
STA120-1,120-2,120-N confirm data using the beacon reception program 130-1,130-2,130- N carried
Whether transmission type there is broadcast (BC) to mark (S416).
In step S416, (BC)/multicast (MC) label having the same, therefore, STA120-1,120-2,120-N are broadcasted
Assuming that data transfer types are to broadcast (BC) and run.
The confirmation of step S416 as a result, if data transfer types have broadcast (BC) label, STA120-1,120-2,
120-N imports MAC broadcast filtering device 242 (S418) using the beacon reception program 130-1,130-2,130-N carried.
There are the data that network is maintained in more WLAN in beacon signal (BCN).MAC data refers to
Data in 802.11WLAN to maintain network or control.Though MAC data, may be present unnecessary data, and can be into
Row judgement.
STA120-1,120-2,120-N using the confirmation of MAC broadcast filtering device 242 there is broadcast (BC)/multicast (MC) to mark
Whether the data of note are unnecessary data (S420).
The confirmation of step S420 is as a result, it is unnecessary data that confirmation, which has the data of broadcast (BC)/multicast (MC) label,
When, using the beacon reception program 130- 1,130-2 carried, 130-N is run with suspend mode by STA120-1,120-2,120-N
(S422)。
In step S422, STA120-1,120-2,120-N utilize the beacon reception program 130- 1,130-2 carried,
When there are the data of broadcast (BC)/multicast (MC) label to be filtered by MAC broadcast filtering device for 130-N confirmation, to close
(Off) in order to communicated with access point and necessary hardware (HW), software (SW) part or all work suspend mode
Operation.
The confirmation of step S420 is as a result, when there are the data of broadcast (MC) label to be necessary data for confirmation, STA120-
1,120-2,120-N run (S430) using the beacon reception program 130-1,130-2,130-N carried with operating mode.
The confirmation of step S416 as a result, when data transfer types are that non-broadcasting (BC) is marked, STA120-1,120-2,
Whether 120-N has multicast (MC) using the beacon reception program 130-1,130-2,130-N confirmation data transfer types of carrying
It marks (S424).
In step S424, (BC)/multicast (MC) label having the same, therefore, STA120-1,120-2,120-N are broadcasted
Assuming that data transfer types run for multicast (MC).
In step S424, if data transfer types are marked with multicast (BC), STA120-1,120- 2,120-N are utilized
The beacon reception program 130-1,130-2,130-N of carrying imports MAC multicast filter device 243 (S426).
STA120-1,120-2,120-N are utilized using beacon reception program 130-1,130-2, the 130- N carried
MAC multicast filter device 243, confirming has whether the data of multicast (MC) label are unnecessary data (S428).
The confirmation of step S428 is as a result, if the data with multicast (MC) label are unnecessary data, STA120-
1,120-2,120-N run (S422) using the beacon reception program 130-1,130-2,130-N carried with suspend mode.
In step S422, STA120-1,120-2,120-N utilize the beacon reception program 130- 1,130-2 carried,
130-N confirmation have multicast (MC) label data by MAC multicast filter device filtered when, with closing (Off) in order to connect
Access point is communicated and necessary hardware (HW), the suspend mode operation of part or all of work of software (SW).
The confirmation of step S428 is as a result, when there are data of multicast (MC) label to be necessary data for confirmation, STA120-
1,120-2,120-N are using the beacon reception program 130-1,130-2,130-N carried with operating mode (Active Mode)
It runs (S430).
The confirmation of step S424 is as a result, if data transfer types are non-broadcasting (MC)/multicast (MC) label, STA120-
1, whether 120-2,120-N have using the beacon reception program 130-1,130-2,130- N confirmation data transfer types of carrying
Unicast (UC) marks (S432).
It is uncontrollable data because unicast (UC) data are application datas.In other numbers in unicast (UC) data
According to may include for maintain network data.
The confirmation of step S432 as a result, if data transfer types are non-unicast (UC) label, STA120-1,120-2,
120-N runs (S422) using the beacon reception program 130-1,130-2,130-N carried with suspend mode.
In step S422, STA120-1,120-2,120-N utilize the beacon reception program 130- 1,130-2 carried,
130-N confirm data transfer types be non-broadcasting (BC)/multicast (MC), unicast (UC) mark when, with closing (Off) in order to
Access point communicated and necessary hardware (HW), software (SW) part or all close (Off) work suspend mode fortune
Row.
The confirmation of step S432 is as a result, if data transfer types are with unicast (UC) label, STA120-1,120-
2, whether 120-N confirms the data with unicast (UC) label using the beacon reception program 130-1,130-2,130-N carried
For unnecessary data (S434).
In step S434, STA120-1,120-2,120-N utilize the beacon reception program 130- 1,130-2 carried,
When there is 130-N data transfer types unicast (UC) to mark, there is unicast (UC) label using the confirmation of MAC unicast filter
Whether data are unnecessary data.
In step S434, if the data validation with unicast (UC) label is necessary data, STA120-1,120-
2, whether 120-N confirms the data with unicast (UC) label using the beacon reception program 130-1,130-2,130-N carried
For broadcast (BC) IP data (S436).
The confirmation of step S436 as a result, if the data with unicast (UC) label are broadcast (BC) IP data,
STA120-1,120-2,120-N import broadcast IP filter using the beacon reception program 130-1,130-2,130- N carried
(S438)。
STA120-1,120-2,120-N are utilized wide using beacon reception program 130-1,130-2, the 130- N carried
Broadcast whether IP filter confirmation broadcast (BC) IP data are unnecessary data (S440).
In step S440, when will broadcast (BC) IP data filtering using broadcast IP filter, STA120-1,120-2,
120-N closed using the beacon reception program 130-1,130-2,130-N of carrying (Off) communicated with access point 110 and
Necessary hardware (HW), software (SW) part or all work suspend mode run (S442).
In step S440, when will not broadcast (BC) IP data filtering using broadcast IP filter, STA120-1,120-2,
120-N opened using the beacon reception program 130-1,130-2,130-N of carrying (On) communicated with access point 110 and
Necessary hardware (HW), software (SW) part or all work operating mode run (S450).
The confirmation of step S436 as a result, if the data with unicast (UC) label are non-broadcasting (BC) IP data,
STA120-1,120-2,120-N have unicast (UC) using the beacon reception program 130-1,130- 2,130-N confirmation carried
Whether the data of label are multicast (MC) IP data (S444).
The confirmation of step S444 as a result, if the data with unicast (UC) label are multicast (MC) IP data,
STA120-1,120-2,120-N import multicast IP filter using the beacon reception program 130-1,130-2,130- N carried
(S446)。
STA120-1,120-2,120-N are utilized more using beacon reception program 130-1,130-2, the 130- N carried
Broadcast whether IP filter confirmation multicast (MC) IP data are unnecessary data (S448).
The confirmation of step S448 as a result, if multicast (MC) IP data are multicast IP filter filtering, STA120-1,
120-2,120-N close (Off) using the beacon reception program 130-1,130-2,130-N of carrying and access point 110 carries out
Communication and necessary hardware (HW), software (SW) part or all work suspend mode run (S442).
The confirmation of step S448 as a result, if multicast (MC) IP data are not multicast IP filter filtering, STA120-1,
120-2,120-N open (On) using the beacon reception program 130-1,130-2,130-N of carrying and access point 110 carries out
Communication and necessary hardware (HW), software (SW) part or all work operating mode run (S450).
The confirmation of step S444 as a result, if the data with unicast (UC) label are non-multicast (MC) IP data,
STA120-1,120-2,120-N have unicast (UC) using the beacon reception program 130-1,130- 2,130-N confirmation carried
Whether the data of label are by other IP filters filtering (S452).
The confirmation of step S452 as a result, if when the data with unicast (UC) label are filtered by other IP filters,
STA120-1,120-2,120-N close (Off) and access using the beacon reception program 130-1,130- 2,130-N of carrying
Point 110 communicated and necessary hardware (HW), software (SW) part or all work suspend mode operation (S454).
The confirmation of step S452 as a result, if data with unicast (UC) label are not filtered by other IP filters,
STA120-1,120-2,120-N open (On) and access using the beacon reception program 130-1,130- 2,130-N of carrying
Point 110 communicated and necessary hardware (HW), software (SW) part or all work operating mode operation (S450).
Recording in Fig. 4 a, 4b is sequentially to carry out, but be not limited to this from step S410 to step S454.That is, can incite somebody to action
The step of recording in Fig. 4 a, 4b changes implementation or will execute side by side the step of more than one, therefore, the non-limit of Fig. 4 a, 4b
It is set to the sequence of timing.
The filtering method for the reduction wakeup frequency according to the present embodiment recorded in Fig. 4 a, 4b as described above can be with journey
Sequence embodies, and is recorded in computer-readable recording medium.It is recorded as embodying the filter of the reduction wakeup frequency according to the present embodiment
The program of wave method, also, computer-readable recording medium includes being stored with the data that can be taken by computer system-readable
All kinds recording device.
Fig. 5 is the attached drawing illustrated using the method for handling beacon signal according to the required information element of the present embodiment.
As shown in figure 5, STA120-1,120-2,120-N carry the beacon reception program for judging necessary data
130-1,130-2,130-N.STA120-1,120-2,120-N utilize the beacon reception program 130-1,130-2,130- carried
N filters the unnecessary broadcast (BC) of MAC, reduces the wakeup frequency of STA.
STA120-1,120-2,120-N using carry beacon reception program 130-1,130-2,130- N by MAC not
Necessary multicast (MC) filtering, reduces the wakeup frequency of STA.STA120-1,120-2,120-N additional include that can utilize to take
The beacon reception program 130-1,130-2,130-N of load is by multicast (MC) filter table of necessary multicast (MC) data processing.
STA120-1,120-2,120-N utilize the beacon reception program 130-1,130-2,130-N of carrying by the unnecessary list of MAC
(UC) filtering is broadcast, the wakeup frequency of STA is reduced.
STA120-1,120-2,120-N are passed data using the beacon reception program 130-1,130-2,130- N of carrying
Sending type is that unnecessary IP data are filtered device in unicast (UC), reduces system wake-up frequency.If data transfer types
For unicast (UC), the corresponding IP of non-STA, STA120-1,120-2,120-N utilize the beacon reception program 130-1 carried,
130-2,130-N are filtered, and reduce the wakeup frequency of STA.
STA120-1,120-2,120-N are confirmed using the beacon reception program 130-1,130-2,130- N carried
CHECKER is the required information element (IE) of detection, and the information element (IE) for including in beacon signal (BCN).
STA120-1,120-2,120-N confirm beacon using the beacon reception program 130-1,130-2,130- N carried
The traffic indication information for the information element (IE) for including in signal (BCN).STA120-1,120-2,120-N utilize the letter carried
Tag splice receives the data transfer types in the traffic indication information of program 130-1,130-2,130-N confirmation message element (IE).
STA120-1,120-2,120-N confirm from access point 110 periodically received current beacon signal (BCN)
The data transfer types for including.STA120-1,120-2,120-N judge the data transmission for including in current beacon signal (BCN)
Whether type is broadcast (BC)/multicast (MC), unicast (UC), and according to whether is required data, from ' suspend mode ' conversion
To ' wake-up ' state.
With STA120-1,120-2,120-N of suspend mode operation in order to receive current beacon signal from access point 110
(BCN), wakes (Short Wake-UP).
STA120-1,120-2,120-N receive beacon signal (BCN) from access point 110 under wakes state, really
Recognize the data transfer types for including in beacon signal (BCN), and confirmation is in data corresponding with specific data transmission type
It is no that there are required data.
If data corresponding with specific data transmission type are required data, as shown in figure 5, STA120-1,120-
2,120-N only by the hardware (HW) to be communicated with access point 110, the necessary a part of hardware (HW) of communication in software (SW),
Software (SW) wakes (Short Wake-UP), and handle the data for including in beacon signal (BCN).
If data corresponding with specific data transmission type are required data, as shown in figure 5, STA120-1,120-
2,120-N by for communicated with access point 110 hardware (HW), carry out in software (SW) communicating necessary hardware (HW),
Software (SW) is all long to wake up Long Wake-UP, and handles the data for including in beacon signal (BCN).
Above explanation only illustratively illustrates the technical idea of the present embodiment, the technical field of the present embodiment it is general
Logical technical staff can carry out various modifications and deform under the premise of not departing from the essential feature of the present embodiment.To this
Embodiment is the technical idea for illustrating the present embodiment, and non-limiting technical idea, the range of the technical idea of the present embodiment
It is not limited to the above embodiments.The protection scope of the present embodiment should be explained by claims, same
All technical ideas in range are contained in the interest field of the present embodiment.
Claims (18)
1. a kind of beacon signal processing unit characterized by comprising
Beacon reception unit periodically receives beacon signal from access point；
Element confirmation portion, confirms the information element for the data for including in the beacon signal；
Transmission type confirmation portion, confirms the data transfer types in the traffic indication information for including in the information element；
Filter house, transmission type, confirms whether the data for including in the beacon signal are necessary data based on the data；And
Whether mode work department is necessary data in the beacon signal according to the data for including, with suspend mode or Working mould
Formula operating.
2. beacon signal processing unit according to claim 1, which is characterized in that
If the data transfer types are corresponding to set specific data transmission type, filter house if, judges the beacon
The data for including in signal are valid data, and confirm whether the valid data are necessary data.
3. beacon signal processing unit according to claim 2, which is characterized in that
The filter house confirms the label of the data transfer types, to be confirmed whether it is broadcast/multi broadcast label or unicast label,
If it is confirmed that result is that broadcast/multi broadcast marks or unicast marks, it is judged as corresponding to set specific data transmission type
The valid data.
4. beacon signal processing unit according to claim 3, which is characterized in that
If the data transfer types are marked with the broadcast/multi broadcast, the filter house is broadcasted using media access control
Filter confirmation has whether the data of broadcast/multi broadcast label are unnecessary data.
5. beacon signal processing unit according to claim 4, which is characterized in that
If the data with broadcast/multi broadcast label pass through media access control (MAC, media access control)
Broadcast filtering device is filtered, the mode work department with close communicated with described access point and necessary hardware, software
The suspend mode operation of part or all of work,
If the data of broadcast/multi broadcast label not by the filtering of the MAC broadcast filtering device, the mode work department with
Open communicated with described access point and necessary hardware, software part or all work operating mode run.
6. beacon signal processing unit according to claim 3, which is characterized in that
If the data transfer types are marked with the broadcast/multi broadcast, the filter house is confirmed using MAC multicast filter device
Whether the data with broadcast/multi broadcast label are unnecessary data.
7. beacon signal processing unit according to claim 6, which is characterized in that
If the data with broadcast/multi broadcast label are filtered by the MAC multicast filter device, the mode work department
With close communicated with described access point and necessary hardware, software part or all work suspend mode operate,
If the data with broadcast/multi broadcast label do not pass through the MAC multicast filter device and are filtered, the mode work
Portion with open communicated with described access point and necessary hardware, software part or all work operating mode operation.
8. beacon signal processing unit according to claim 3, which is characterized in that
If the data transfer types are marked with the unicast, the filter house has using the confirmation of MAC unicast filter
Whether the data of the unicast label are unnecessary data.
9. beacon signal processing unit according to claim 8, which is characterized in that
If the data with unicast label are filtered by the MAC multicast filter device, the mode work department is to close
It closes and is communicated with described access point and the suspend mode operation of part or all of work of necessary hardware, software.
10. beacon signal processing unit according to claim 8, which is characterized in that
If the data with unicast label are not filtered by the MAC unicast filter, the filter house confirmation tool
There are the data of the unicast label, to be confirmed whether it is broadcast/multi broadcast Internet protocol (IP, Internet Protocol) label
Or other labels,
If it is confirmed that result is non-broadcasting/multicast IP label or other labels, the data marked with the unicast are judged as
The valid data.
11. beacon signal processing unit according to claim 8, which is characterized in that
If the data with unicast label are marked with broadcast/multi broadcast IP,
The filter house has whether the data of broadcast/multi broadcast IP label are unnecessary using broadcast IP filter confirmation
Data.
12. beacon signal processing unit according to claim 11, which is characterized in that
If the data with broadcast/multi broadcast IP label are filtered by the broadcast IP filter, the mode work
It is transported with the suspend mode for closing part or all of work of the necessary hardware communicated with described access point, software in portion
Row,
If the data with broadcast/multi broadcast IP label do not pass through the broadcast IP filter and are filtered, the mode work
Make portion to open the operating mode fortune of part or all of work of the necessary hardware communicated with described access point, software
Row.
13. beacon signal processing unit according to claim 8, which is characterized in that
If the data with unicast label are marked with broadcast/multi broadcast IP,
The filter house has whether the data of broadcast/multi broadcast IP label are unnecessary using the confirmation of multicast IP filter
Data.
14. beacon signal processing unit according to claim 13, which is characterized in that
If the data with broadcast/multi broadcast IP label are filtered by the multicast IP filter, the mode work
It is transported with the suspend mode for closing part or all of work of the necessary hardware communicated with described access point, software in portion
Row,
If the data with broadcast/multi broadcast IP label are not filtered by the multicast IP filter, the mode work
Make portion to open the operating mode fortune of part or all of work of the necessary hardware communicated with described access point, software
Row.
15. beacon signal processing unit according to claim 8, which is characterized in that
The filter house has whether the data of unicast label are unnecessary data using the confirmation of other IP filters.
16. beacon signal processing unit according to claim 15, which is characterized in that
It is filtered if the data with unicast label pass through other described IP filters, the mode work department is to close
The suspend mode operation of part or all of work of the necessary hardware, software that are communicated with described access point,
It is filtered if the data with unicast label do not pass through other described IP filters, the mode work department is to open
Open the operating mode operation of part or all of work of the necessary hardware, software communicated with described access point.
17. beacon signal processing unit according to claim 1, which is characterized in that
The filter house includes:
Filter the MAC broadcast filtering device of unnecessary MAC broadcast data；
Filter the MAC multicast filter device of unnecessary MAC multi-case data；
Filter the MAC unicast filter of unnecessary MAC unicast data；
Filter the broadcast IP filter of unnecessary broadcast IP data；
Filter the multicast IP filter of unnecessary multicast IP data；And
Filter other IP filters of other IP.
18. a kind of filtering method for reducing wakeup frequency characterized by comprising
The process of beacon signal is periodically received from access point；
Confirm the process of the information element for the data for including in the beacon signal；
Confirm the traffic indication information for including in the information element, and confirms the data transmission class in the traffic indication information
The process of type；
Transmission type based on the data, confirm the data for including in the beacon signal whether be necessary data process；And
Whether according to the necessary data, with suspend mode or the process of operating mode operation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2018-0001600 | 2018-01-05 | ||
| KR1020180001600A KR101986099B1 (en) | 2018-01-05 | 2018-01-05 | Method and Apparatus for Filtering for Reducing Wake-UP Frequency |
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| Publication Number | Publication Date |
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| CN110012525A true CN110012525A (en) | 2019-07-12 |
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ID=66845162
Family Applications (1)
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| CN201810783132.4A Pending CN110012525A (en) | 2018-01-05 | 2018-07-17 | Reduce the beacon signal processing unit and filtering method of wakeup frequency |
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| US (1) | US10945207B2 (en) |
| KR (1) | KR101986099B1 (en) |
| CN (1) | CN110012525A (en) |
| TW (1) | TW201931902A (en) |
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| TWI728333B (en) * | 2019-03-29 | 2021-05-21 | 華廣生技股份有限公司 | Data transmission method and system between sensor and electronic device |
| TWI733179B (en) | 2019-07-19 | 2021-07-11 | 瑞昱半導體股份有限公司 | Energy detection method with low power consumption and communication device thereof |
| CN114460868A (en) * | 2020-11-10 | 2022-05-10 | 中兴通讯股份有限公司 | Terminal equipment hierarchical management method and system |
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Also Published As
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| KR101986099B1 (en) | 2019-06-05 |
| US20190215771A1 (en) | 2019-07-11 |
| TW201931902A (en) | 2019-08-01 |
| US10945207B2 (en) | 2021-03-09 |
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